Analog Devices Inc. ADTL082ARMZ-REEL

Product Introduction ADTL082ARMZ-REEL Analog Devices Dual JFET Op Amp

The ADTL082ARMZ-REEL by Analog Devices is a high-performance dual operational amplifier employing JFET input technology, provided in an 8-lead MSOP package. Engineered for precision analog signal processing, the ADTL082ARMZ-REEL belongs to the ADTL08x family (including ADTL082/ADTL084 series) and is pin- and functionally compatible with widely used TL082/TL084 devices. This compatibility ensures straightforward migration in existing designs while offering enhanced performance metrics for new systems.

The device’s JFET inputs deliver ultra-low input bias currents, superior common-mode rejection, and lower noise, making it an optimal solution for engineers targeting improved stability and fidelity in general-purpose amplification, filtering, and control applications. The ADTL082ARMZ-REEL accommodates a broad range of operating environments due to its extended industrial temperature rating and robust electrical specifications.

Main Attributes and Technical Specifications of the ADTL082ARMZ-REEL

ADTL082ARMZ-REEL integrates a variety of features designed to meet the demands of high-accuracy analog circuitry:

TL082/TL084 compatibility facilitates seamless legacy system upgrades.

Low input bias current (maximum 10 pA), critical for reducing signal offset and error in high-impedance applications.

Input offset voltage as low as 5.5 mV (A-grade), supporting precision measurement requirements.

Wide supply voltage range (±15 V), allowing integration into diverse analog designs.

Low input-referred voltage noise at 16 nV/√Hz, vital for low-noise amplification and sensor front-ends.

Broad unity-gain bandwidth (5 MHz), paired with a high slew rate (20 V/μs), enabling accurate amplification of fast transients and wideband signals.

High common-mode rejection ratio (minimum 80 dB) minimizes errors in differential signal processing.

Exceptionally low total harmonic distortion (0.001%), supporting applications requiring high linearity.

Typical supply current of 1.2 mA per amplifier, ensuring efficient power consumption and facilitating dense analog boards.

Unity-gain stability ensures robust integration in buffer and gain stages.

These attributes render the ADTL082ARMZ-REEL suitable for a wide spectrum of analog functions, from precision filtering to industrial data acquisition.

Comprehensive Electrical Characteristics Performance Metrics of the ADTL082ARMZ-REEL

The ADTL082ARMZ-REEL’s electrical parameters are specified under standard operating conditions ($V_\mathrm{CC} = \pm 15\,\mathrm{V}$, $V_\mathrm{CM} = 0\,\mathrm{V}$, $T_A = 25^\circ\text{C}$), offering engineering teams a clear basis for device selection and comparison:

Offset voltage: 5.5 mV (A-grade), 9 mV (J-grade)

Input bias current: 10 pA maximum

Bandwidth: 5 MHz (unity gain)

Slew rate: 20 V/μs

Common-mode rejection ratio: ≥80 dB

Total harmonic distortion: 0.001%

Supply current: 1.2 mA (typical)

Output swing, voltage noise density, and power dissipation—all optimized for industrial standards

Temperature ratings cater to deployment in both extended industrial ($-40^\circ$C to $+125^\circ$C for A-grade) and commercial ($0^\circ$C to $70^\circ$C for J-grade) operating environments, providing flexibility for both field-deployed and laboratory equipment.

Package Details, Pin Configuration, and Heat Management for ADTL082ARMZ-REEL

The ADTL082ARMZ-REEL is supplied in an 8-lead Mini Small Outline Package (MSOP), supporting compact PCB layouts and automated assembly. The MSOP footprint adheres to JEDEC MO-187-AA standards for assured compatibility with modern surface-mount manufacturing processes.

Thermal resistance data supports heat management in dense analog circuits. Engineering teams should ensure appropriate PCB land pattern dimensions and mounting for optimal thermal performance. The device’s small form factor is ideal for multi-channel analog designs, facilitating high packing density with minimal thermal impact.

Pin configuration and package drawings are provided to assist with layout planning and footprint verification. Input, output, and supply pins are oriented for straightforward routing in multi-layer boards.

Use Cases ADTL082ARMZ-REEL Applications in Industrial and Measurement Systems

The ADTL082ARMZ-REEL’s feature set targets the following real-world engineering applications:

General-purpose amplification: Signal conditioning for sensors and transducers

Power control and monitoring: Feedback amplifiers in regulation loops

Active filters: Precision low-pass, high-pass, and band-pass analog filtering

Industrial/process control: Measurement systems requiring stable, low-drift performance over temperature variations

Data acquisition: Analog front-ends preceding ADCs, benefiting from low noise and offset attributes

Sample-and-hold and integrator circuits: Due to the device’s low bias current and fast slew rate

Input buffering: High-impedance sensor interfaces

These scenarios are representative of engineering environments where reliable analog performance and robust temperature stability are essential. Integration is straightforward in existing TL08x applications, offering improved fidelity and system longevity.

Design Guidelines and Integration Strategies for ADTL082ARMZ-REEL in System Design

Engineers should observe key considerations when integrating the ADTL082ARMZ-REEL into new or legacy designs:

Power sequencing: Analog Devices recommends that power supplies be established before applying input signals to prevent device stress; input current should be limited to 10 mA if not possible.

ESD precautions: The amplifier is sensitive to electrostatic discharge; adherence to standard ESD handling protocols is necessary during assembly and testing.

Matching grade and temperature range: Selection between A-grade and J-grade variants depends on the system’s required operating environment.

Board layout: Proper grounding, power decoupling, and pinout alignment are necessary to maximize noise performance and minimize pickup from digital sections.

Thermal management: Ensure that device operation stays within the recommended thermal envelope, particularly in high-density analog assemblies.

Alternative or Substitute Options for the ADTL082ARMZ-REEL

The ADTL082ARMZ-REEL is designed as a compatible and performance-enhanced alternative to legacy TL082 dual JFET op amps (Texas Instruments, STMicroelectronics, ON Semiconductor). For engineers seeking form, fit, and function equivalents, the following models may be considered as alternatives in designs where pinout and performance correlation are required:

TL082 series (Texas Instruments, STMicroelectronics, ON Semiconductor): Direct legacy compatibility, but generally inferior noise and offset specifications.

TL084 series: Quad-channel variant suitable for systems needing more op amp channels.

ADTL084 series (Analog Devices): Quad-channel companion to the ADTL082 series, featuring the same improved electrical characteristics.

Other TL08x A, I, Q, standard, and C grades as noted in manufacturer catalogs for legacy or cost-sensitive designs.

When substituting or cross-referencing in critical systems, engineers should verify electrical and temperature specifications, package compatibility, and supplier stability.

Conclusion

: ADTL082ARMZ-REEL Value Proposition for Engineers

The ADTL082ARMZ-REEL JFET dual op amp offers an optimized combination of heritage compatibility and enhanced analog precision, making it an ideal choice for engineers and procurement teams seeking robust, low-noise, and low-offset operational amplification. Its specification-driven design addresses the core needs of industrial measurement, instrumentation, and data acquisition systems, while flexible operating grades and packaging ensure wide applicability. For both new designs and performance upgrades of TL08x legacy systems, the ADTL082ARMZ-REEL delivers reliable and modern analog performance tailored for demanding environments.